author | roland |
Fri, 09 Jun 2017 10:51:52 +0200 | |
changeset 46542 | 73dd19b96b5d |
parent 43455 | 96560cffef4d |
child 46619 | a3919f5e8d2b |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "compiler/compilerOracle.hpp" |
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#include "interpreter/bytecode.hpp" |
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#include "interpreter/bytecodeStream.hpp" |
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#include "interpreter/linkResolver.hpp" |
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#include "memory/heapInspection.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "oops/methodData.hpp" |
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#include "prims/jvmtiRedefineClasses.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/compilationPolicy.hpp" |
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#include "runtime/deoptimization.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/orderAccess.inline.hpp" |
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#include "utilities/copy.hpp" |
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// ================================================================== |
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// DataLayout |
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// |
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// Overlay for generic profiling data. |
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// Some types of data layouts need a length field. |
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bool DataLayout::needs_array_len(u1 tag) { |
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return (tag == multi_branch_data_tag) || (tag == arg_info_data_tag) || (tag == parameters_type_data_tag); |
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} |
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// Perform generic initialization of the data. More specific |
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// initialization occurs in overrides of ProfileData::post_initialize. |
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void DataLayout::initialize(u1 tag, u2 bci, int cell_count) { |
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_header._bits = (intptr_t)0; |
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_header._struct._tag = tag; |
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_header._struct._bci = bci; |
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for (int i = 0; i < cell_count; i++) { |
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set_cell_at(i, (intptr_t)0); |
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} |
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if (needs_array_len(tag)) { |
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set_cell_at(ArrayData::array_len_off_set, cell_count - 1); // -1 for header. |
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} |
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if (tag == call_type_data_tag) { |
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CallTypeData::initialize(this, cell_count); |
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} else if (tag == virtual_call_type_data_tag) { |
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VirtualCallTypeData::initialize(this, cell_count); |
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} |
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} |
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||
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void DataLayout::clean_weak_klass_links(BoolObjectClosure* cl) { |
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ResourceMark m; |
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data_in()->clean_weak_klass_links(cl); |
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} |
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// ================================================================== |
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// ProfileData |
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// |
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// A ProfileData object is created to refer to a section of profiling |
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// data in a structured way. |
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// Constructor for invalid ProfileData. |
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ProfileData::ProfileData() { |
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_data = NULL; |
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} |
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char* ProfileData::print_data_on_helper(const MethodData* md) const { |
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DataLayout* dp = md->extra_data_base(); |
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DataLayout* end = md->args_data_limit(); |
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stringStream ss; |
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for (;; dp = MethodData::next_extra(dp)) { |
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assert(dp < end, "moved past end of extra data"); |
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switch(dp->tag()) { |
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case DataLayout::speculative_trap_data_tag: |
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if (dp->bci() == bci()) { |
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SpeculativeTrapData* data = new SpeculativeTrapData(dp); |
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int trap = data->trap_state(); |
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char buf[100]; |
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ss.print("trap/"); |
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data->method()->print_short_name(&ss); |
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ss.print("(%s) ", Deoptimization::format_trap_state(buf, sizeof(buf), trap)); |
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} |
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break; |
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case DataLayout::bit_data_tag: |
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break; |
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case DataLayout::no_tag: |
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case DataLayout::arg_info_data_tag: |
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return ss.as_string(); |
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break; |
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default: |
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fatal("unexpected tag %d", dp->tag()); |
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} |
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} |
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return NULL; |
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} |
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void ProfileData::print_data_on(outputStream* st, const MethodData* md) const { |
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print_data_on(st, print_data_on_helper(md)); |
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} |
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void ProfileData::print_shared(outputStream* st, const char* name, const char* extra) const { |
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st->print("bci: %d", bci()); |
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st->fill_to(tab_width_one); |
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st->print("%s", name); |
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tab(st); |
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int trap = trap_state(); |
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if (trap != 0) { |
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char buf[100]; |
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st->print("trap(%s) ", Deoptimization::format_trap_state(buf, sizeof(buf), trap)); |
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} |
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if (extra != NULL) { |
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st->print("%s", extra); |
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} |
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int flags = data()->flags(); |
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if (flags != 0) { |
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st->print("flags(%d) ", flags); |
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} |
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} |
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void ProfileData::tab(outputStream* st, bool first) const { |
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st->fill_to(first ? tab_width_one : tab_width_two); |
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} |
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145 |
// ================================================================== |
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146 |
// BitData |
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147 |
// |
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148 |
// A BitData corresponds to a one-bit flag. This is used to indicate |
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// whether a checkcast bytecode has seen a null value. |
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void BitData::print_data_on(outputStream* st, const char* extra) const { |
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print_shared(st, "BitData", extra); |
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st->cr(); |
1 | 155 |
} |
156 |
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157 |
// ================================================================== |
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158 |
// CounterData |
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159 |
// |
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160 |
// A CounterData corresponds to a simple counter. |
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161 |
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void CounterData::print_data_on(outputStream* st, const char* extra) const { |
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print_shared(st, "CounterData", extra); |
1 | 164 |
st->print_cr("count(%u)", count()); |
165 |
} |
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166 |
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167 |
// ================================================================== |
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168 |
// JumpData |
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169 |
// |
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170 |
// A JumpData is used to access profiling information for a direct |
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171 |
// branch. It is a counter, used for counting the number of branches, |
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172 |
// plus a data displacement, used for realigning the data pointer to |
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// the corresponding target bci. |
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void JumpData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
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assert(stream->bci() == bci(), "wrong pos"); |
177 |
int target; |
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178 |
Bytecodes::Code c = stream->code(); |
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179 |
if (c == Bytecodes::_goto_w || c == Bytecodes::_jsr_w) { |
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180 |
target = stream->dest_w(); |
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181 |
} else { |
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182 |
target = stream->dest(); |
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183 |
} |
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184 |
int my_di = mdo->dp_to_di(dp()); |
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185 |
int target_di = mdo->bci_to_di(target); |
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186 |
int offset = target_di - my_di; |
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187 |
set_displacement(offset); |
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188 |
} |
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189 |
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void JumpData::print_data_on(outputStream* st, const char* extra) const { |
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191 |
print_shared(st, "JumpData", extra); |
1 | 192 |
st->print_cr("taken(%u) displacement(%d)", taken(), displacement()); |
193 |
} |
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194 |
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int TypeStackSlotEntries::compute_cell_count(Symbol* signature, bool include_receiver, int max) { |
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// Parameter profiling include the receiver |
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int args_count = include_receiver ? 1 : 0; |
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ResourceMark rm; |
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SignatureStream ss(signature); |
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args_count += ss.reference_parameter_count(); |
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args_count = MIN2(args_count, max); |
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return args_count * per_arg_cell_count; |
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} |
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int TypeEntriesAtCall::compute_cell_count(BytecodeStream* stream) { |
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assert(Bytecodes::is_invoke(stream->code()), "should be invoke"); |
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assert(TypeStackSlotEntries::per_arg_count() > ReturnTypeEntry::static_cell_count(), "code to test for arguments/results broken"); |
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const methodHandle m = stream->method(); |
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int bci = stream->bci(); |
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Bytecode_invoke inv(m, bci); |
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int args_cell = 0; |
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if (MethodData::profile_arguments_for_invoke(m, bci)) { |
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args_cell = TypeStackSlotEntries::compute_cell_count(inv.signature(), false, TypeProfileArgsLimit); |
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} |
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int ret_cell = 0; |
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if (MethodData::profile_return_for_invoke(m, bci) && (inv.result_type() == T_OBJECT || inv.result_type() == T_ARRAY)) { |
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ret_cell = ReturnTypeEntry::static_cell_count(); |
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} |
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int header_cell = 0; |
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if (args_cell + ret_cell > 0) { |
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header_cell = header_cell_count(); |
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} |
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|
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return header_cell + args_cell + ret_cell; |
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} |
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|
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class ArgumentOffsetComputer : public SignatureInfo { |
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private: |
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int _max; |
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GrowableArray<int> _offsets; |
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|
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void set(int size, BasicType type) { _size += size; } |
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void do_object(int begin, int end) { |
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if (_offsets.length() < _max) { |
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_offsets.push(_size); |
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} |
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SignatureInfo::do_object(begin, end); |
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} |
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void do_array (int begin, int end) { |
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if (_offsets.length() < _max) { |
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_offsets.push(_size); |
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} |
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SignatureInfo::do_array(begin, end); |
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} |
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|
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public: |
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ArgumentOffsetComputer(Symbol* signature, int max) |
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: SignatureInfo(signature), _max(max), _offsets(Thread::current(), max) { |
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} |
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|
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int total() { lazy_iterate_parameters(); return _size; } |
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|
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int off_at(int i) const { return _offsets.at(i); } |
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}; |
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|
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void TypeStackSlotEntries::post_initialize(Symbol* signature, bool has_receiver, bool include_receiver) { |
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ResourceMark rm; |
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int start = 0; |
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// Parameter profiling include the receiver |
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if (include_receiver && has_receiver) { |
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set_stack_slot(0, 0); |
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set_type(0, type_none()); |
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start += 1; |
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} |
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ArgumentOffsetComputer aos(signature, _number_of_entries-start); |
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aos.total(); |
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for (int i = start; i < _number_of_entries; i++) { |
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set_stack_slot(i, aos.off_at(i-start) + (has_receiver ? 1 : 0)); |
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set_type(i, type_none()); |
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} |
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} |
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|
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void CallTypeData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
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assert(Bytecodes::is_invoke(stream->code()), "should be invoke"); |
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Bytecode_invoke inv(stream->method(), stream->bci()); |
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|
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SignatureStream ss(inv.signature()); |
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if (has_arguments()) { |
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#ifdef ASSERT |
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ResourceMark rm; |
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int count = MIN2(ss.reference_parameter_count(), (int)TypeProfileArgsLimit); |
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assert(count > 0, "room for args type but none found?"); |
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check_number_of_arguments(count); |
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#endif |
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_args.post_initialize(inv.signature(), inv.has_receiver(), false); |
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} |
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|
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if (has_return()) { |
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assert(inv.result_type() == T_OBJECT || inv.result_type() == T_ARRAY, "room for a ret type but doesn't return obj?"); |
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_ret.post_initialize(); |
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} |
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} |
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|
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void VirtualCallTypeData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
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assert(Bytecodes::is_invoke(stream->code()), "should be invoke"); |
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Bytecode_invoke inv(stream->method(), stream->bci()); |
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|
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if (has_arguments()) { |
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#ifdef ASSERT |
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ResourceMark rm; |
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SignatureStream ss(inv.signature()); |
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int count = MIN2(ss.reference_parameter_count(), (int)TypeProfileArgsLimit); |
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assert(count > 0, "room for args type but none found?"); |
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check_number_of_arguments(count); |
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#endif |
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_args.post_initialize(inv.signature(), inv.has_receiver(), false); |
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} |
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|
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if (has_return()) { |
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assert(inv.result_type() == T_OBJECT || inv.result_type() == T_ARRAY, "room for a ret type but doesn't return obj?"); |
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_ret.post_initialize(); |
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} |
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} |
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|
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bool TypeEntries::is_loader_alive(BoolObjectClosure* is_alive_cl, intptr_t p) { |
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Klass* k = (Klass*)klass_part(p); |
317 |
return k != NULL && k->is_loader_alive(is_alive_cl); |
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} |
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|
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void TypeStackSlotEntries::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) { |
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for (int i = 0; i < _number_of_entries; i++) { |
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intptr_t p = type(i); |
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if (!is_loader_alive(is_alive_cl, p)) { |
324 |
set_type(i, with_status((Klass*)NULL, p)); |
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} |
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} |
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} |
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328 |
|
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void ReturnTypeEntry::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) { |
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intptr_t p = type(); |
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if (!is_loader_alive(is_alive_cl, p)) { |
332 |
set_type(with_status((Klass*)NULL, p)); |
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} |
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} |
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|
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bool TypeEntriesAtCall::return_profiling_enabled() { |
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return MethodData::profile_return(); |
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} |
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|
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bool TypeEntriesAtCall::arguments_profiling_enabled() { |
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return MethodData::profile_arguments(); |
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} |
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343 |
|
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void TypeEntries::print_klass(outputStream* st, intptr_t k) { |
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if (is_type_none(k)) { |
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st->print("none"); |
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changeset
|
347 |
} else if (is_type_unknown(k)) { |
bbe0fcde6e13
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diff
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|
348 |
st->print("unknown"); |
bbe0fcde6e13
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parents:
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diff
changeset
|
349 |
} else { |
bbe0fcde6e13
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diff
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|
350 |
valid_klass(k)->print_value_on(st); |
bbe0fcde6e13
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roland
parents:
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diff
changeset
|
351 |
} |
bbe0fcde6e13
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roland
parents:
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diff
changeset
|
352 |
if (was_null_seen(k)) { |
bbe0fcde6e13
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roland
parents:
17858
diff
changeset
|
353 |
st->print(" (null seen)"); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
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diff
changeset
|
354 |
} |
bbe0fcde6e13
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roland
parents:
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diff
changeset
|
355 |
} |
bbe0fcde6e13
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roland
parents:
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diff
changeset
|
356 |
|
bbe0fcde6e13
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roland
parents:
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diff
changeset
|
357 |
void TypeStackSlotEntries::print_data_on(outputStream* st) const { |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
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diff
changeset
|
358 |
for (int i = 0; i < _number_of_entries; i++) { |
20702
bbe0fcde6e13
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roland
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diff
changeset
|
359 |
_pd->tab(st); |
bbe0fcde6e13
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diff
changeset
|
360 |
st->print("%d: stack(%u) ", i, stack_slot(i)); |
bbe0fcde6e13
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roland
parents:
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diff
changeset
|
361 |
print_klass(st, type(i)); |
bbe0fcde6e13
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roland
parents:
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diff
changeset
|
362 |
st->cr(); |
bbe0fcde6e13
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roland
parents:
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diff
changeset
|
363 |
} |
bbe0fcde6e13
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parents:
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diff
changeset
|
364 |
} |
bbe0fcde6e13
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parents:
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diff
changeset
|
365 |
|
20709
034be898bf04
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diff
changeset
|
366 |
void ReturnTypeEntry::print_data_on(outputStream* st) const { |
034be898bf04
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roland
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diff
changeset
|
367 |
_pd->tab(st); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
368 |
print_klass(st, type()); |
034be898bf04
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parents:
20702
diff
changeset
|
369 |
st->cr(); |
034be898bf04
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roland
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diff
changeset
|
370 |
} |
034be898bf04
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diff
changeset
|
371 |
|
22916
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diff
changeset
|
372 |
void CallTypeData::print_data_on(outputStream* st, const char* extra) const { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
373 |
CounterData::print_data_on(st, extra); |
20709
034be898bf04
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diff
changeset
|
374 |
if (has_arguments()) { |
034be898bf04
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roland
parents:
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diff
changeset
|
375 |
tab(st, true); |
034be898bf04
8026054: New type profiling points: type of return values at calls
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parents:
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diff
changeset
|
376 |
st->print("argument types"); |
034be898bf04
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parents:
20702
diff
changeset
|
377 |
_args.print_data_on(st); |
034be898bf04
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roland
parents:
20702
diff
changeset
|
378 |
} |
034be898bf04
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diff
changeset
|
379 |
if (has_return()) { |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
380 |
tab(st, true); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
381 |
st->print("return type"); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
382 |
_ret.print_data_on(st); |
034be898bf04
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roland
parents:
20702
diff
changeset
|
383 |
} |
20702
bbe0fcde6e13
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parents:
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diff
changeset
|
384 |
} |
bbe0fcde6e13
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diff
changeset
|
385 |
|
22916
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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parents:
22851
diff
changeset
|
386 |
void VirtualCallTypeData::print_data_on(outputStream* st, const char* extra) const { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
387 |
VirtualCallData::print_data_on(st, extra); |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
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20702
diff
changeset
|
388 |
if (has_arguments()) { |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
389 |
tab(st, true); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
390 |
st->print("argument types"); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
391 |
_args.print_data_on(st); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
392 |
} |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
393 |
if (has_return()) { |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
394 |
tab(st, true); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
395 |
st->print("return type"); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
396 |
_ret.print_data_on(st); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
397 |
} |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
398 |
} |
bbe0fcde6e13
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parents:
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changeset
|
399 |
|
1 | 400 |
// ================================================================== |
401 |
// ReceiverTypeData |
|
402 |
// |
|
403 |
// A ReceiverTypeData is used to access profiling information about a |
|
404 |
// dynamic type check. It consists of a counter which counts the total times |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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|
405 |
// that the check is reached, and a series of (Klass*, count) pairs |
1 | 406 |
// which are used to store a type profile for the receiver of the check. |
407 |
||
13728
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changeset
|
408 |
void ReceiverTypeData::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) { |
3696 | 409 |
for (uint row = 0; row < row_limit(); row++) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
410 |
Klass* p = receiver(row); |
882756847a04
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coleenp
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changeset
|
411 |
if (p != NULL && !p->is_loader_alive(is_alive_cl)) { |
3696 | 412 |
clear_row(row); |
413 |
} |
|
414 |
} |
|
415 |
} |
|
416 |
||
33160
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|
417 |
#if INCLUDE_JVMCI |
c59f1676d27e
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changeset
|
418 |
void VirtualCallData::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) { |
c59f1676d27e
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diff
changeset
|
419 |
ReceiverTypeData::clean_weak_klass_links(is_alive_cl); |
c59f1676d27e
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changeset
|
420 |
for (uint row = 0; row < method_row_limit(); row++) { |
c59f1676d27e
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changeset
|
421 |
Method* p = method(row); |
c59f1676d27e
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diff
changeset
|
422 |
if (p != NULL && !p->method_holder()->is_loader_alive(is_alive_cl)) { |
c59f1676d27e
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changeset
|
423 |
clear_method_row(row); |
c59f1676d27e
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diff
changeset
|
424 |
} |
c59f1676d27e
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diff
changeset
|
425 |
} |
c59f1676d27e
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diff
changeset
|
426 |
} |
c59f1676d27e
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diff
changeset
|
427 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
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diff
changeset
|
428 |
void VirtualCallData::clean_weak_method_links() { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
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parents:
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diff
changeset
|
429 |
ReceiverTypeData::clean_weak_method_links(); |
c59f1676d27e
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diff
changeset
|
430 |
for (uint row = 0; row < method_row_limit(); row++) { |
c59f1676d27e
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diff
changeset
|
431 |
Method* p = method(row); |
c59f1676d27e
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diff
changeset
|
432 |
if (p != NULL && !p->on_stack()) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
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diff
changeset
|
433 |
clear_method_row(row); |
c59f1676d27e
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twisti
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diff
changeset
|
434 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
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diff
changeset
|
435 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
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diff
changeset
|
436 |
} |
c59f1676d27e
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diff
changeset
|
437 |
#endif // INCLUDE_JVMCI |
c59f1676d27e
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diff
changeset
|
438 |
|
20702
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roland
parents:
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diff
changeset
|
439 |
void ReceiverTypeData::print_receiver_data_on(outputStream* st) const { |
1 | 440 |
uint row; |
441 |
int entries = 0; |
|
442 |
for (row = 0; row < row_limit(); row++) { |
|
443 |
if (receiver(row) != NULL) entries++; |
|
444 |
} |
|
33160
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diff
changeset
|
445 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
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diff
changeset
|
446 |
st->print_cr("count(%u) nonprofiled_count(%u) entries(%u)", count(), nonprofiled_count(), entries); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
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diff
changeset
|
447 |
#else |
1 | 448 |
st->print_cr("count(%u) entries(%u)", count(), entries); |
33160
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diff
changeset
|
449 |
#endif |
6453 | 450 |
int total = count(); |
451 |
for (row = 0; row < row_limit(); row++) { |
|
452 |
if (receiver(row) != NULL) { |
|
453 |
total += receiver_count(row); |
|
454 |
} |
|
455 |
} |
|
1 | 456 |
for (row = 0; row < row_limit(); row++) { |
457 |
if (receiver(row) != NULL) { |
|
458 |
tab(st); |
|
459 |
receiver(row)->print_value_on(st); |
|
6453 | 460 |
st->print_cr("(%u %4.2f)", receiver_count(row), (float) receiver_count(row) / (float) total); |
1 | 461 |
} |
462 |
} |
|
463 |
} |
|
22916
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
464 |
void ReceiverTypeData::print_data_on(outputStream* st, const char* extra) const { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
465 |
print_shared(st, "ReceiverTypeData", extra); |
1 | 466 |
print_receiver_data_on(st); |
467 |
} |
|
33160
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diff
changeset
|
468 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
469 |
#if INCLUDE_JVMCI |
c59f1676d27e
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diff
changeset
|
470 |
void VirtualCallData::print_method_data_on(outputStream* st) const { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
471 |
uint row; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
472 |
int entries = 0; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
473 |
for (row = 0; row < method_row_limit(); row++) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
474 |
if (method(row) != NULL) entries++; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
475 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
476 |
tab(st); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
477 |
st->print_cr("method_entries(%u)", entries); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
478 |
int total = count(); |
c59f1676d27e
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parents:
30183
diff
changeset
|
479 |
for (row = 0; row < method_row_limit(); row++) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
480 |
if (method(row) != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
481 |
total += method_count(row); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
482 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
483 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
484 |
for (row = 0; row < method_row_limit(); row++) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
485 |
if (method(row) != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
486 |
tab(st); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
487 |
method(row)->print_value_on(st); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
488 |
st->print_cr("(%u %4.2f)", method_count(row), (float) method_count(row) / (float) total); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
489 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
490 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
491 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
492 |
#endif // INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
493 |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
494 |
void VirtualCallData::print_data_on(outputStream* st, const char* extra) const { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
495 |
print_shared(st, "VirtualCallData", extra); |
1 | 496 |
print_receiver_data_on(st); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
497 |
print_method_data_on(st); |
1 | 498 |
} |
499 |
||
500 |
// ================================================================== |
|
501 |
// RetData |
|
502 |
// |
|
503 |
// A RetData is used to access profiling information for a ret bytecode. |
|
504 |
// It is composed of a count of the number of times that the ret has |
|
505 |
// been executed, followed by a series of triples of the form |
|
506 |
// (bci, count, di) which count the number of times that some bci was the |
|
507 |
// target of the ret and cache a corresponding displacement. |
|
508 |
||
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
509 |
void RetData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
1 | 510 |
for (uint row = 0; row < row_limit(); row++) { |
511 |
set_bci_displacement(row, -1); |
|
512 |
set_bci(row, no_bci); |
|
513 |
} |
|
514 |
// release so other threads see a consistent state. bci is used as |
|
515 |
// a valid flag for bci_displacement. |
|
516 |
OrderAccess::release(); |
|
517 |
} |
|
518 |
||
519 |
// This routine needs to atomically update the RetData structure, so the |
|
520 |
// caller needs to hold the RetData_lock before it gets here. Since taking |
|
521 |
// the lock can block (and allow GC) and since RetData is a ProfileData is a |
|
522 |
// wrapper around a derived oop, taking the lock in _this_ method will |
|
523 |
// basically cause the 'this' pointer's _data field to contain junk after the |
|
524 |
// lock. We require the caller to take the lock before making the ProfileData |
|
525 |
// structure. Currently the only caller is InterpreterRuntime::update_mdp_for_ret |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
526 |
address RetData::fixup_ret(int return_bci, MethodData* h_mdo) { |
1 | 527 |
// First find the mdp which corresponds to the return bci. |
528 |
address mdp = h_mdo->bci_to_dp(return_bci); |
|
529 |
||
530 |
// Now check to see if any of the cache slots are open. |
|
531 |
for (uint row = 0; row < row_limit(); row++) { |
|
532 |
if (bci(row) == no_bci) { |
|
533 |
set_bci_displacement(row, mdp - dp()); |
|
534 |
set_bci_count(row, DataLayout::counter_increment); |
|
535 |
// Barrier to ensure displacement is written before the bci; allows |
|
536 |
// the interpreter to read displacement without fear of race condition. |
|
537 |
release_set_bci(row, return_bci); |
|
538 |
break; |
|
539 |
} |
|
540 |
} |
|
541 |
return mdp; |
|
542 |
} |
|
543 |
||
22836
e7e511228518
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
17858
diff
changeset
|
544 |
#ifdef CC_INTERP |
e7e511228518
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
17858
diff
changeset
|
545 |
DataLayout* RetData::advance(MethodData *md, int bci) { |
e7e511228518
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
17858
diff
changeset
|
546 |
return (DataLayout*) md->bci_to_dp(bci); |
e7e511228518
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
17858
diff
changeset
|
547 |
} |
e7e511228518
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
17858
diff
changeset
|
548 |
#endif // CC_INTERP |
1 | 549 |
|
22916
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
550 |
void RetData::print_data_on(outputStream* st, const char* extra) const { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
551 |
print_shared(st, "RetData", extra); |
1 | 552 |
uint row; |
553 |
int entries = 0; |
|
554 |
for (row = 0; row < row_limit(); row++) { |
|
555 |
if (bci(row) != no_bci) entries++; |
|
556 |
} |
|
557 |
st->print_cr("count(%u) entries(%u)", count(), entries); |
|
558 |
for (row = 0; row < row_limit(); row++) { |
|
559 |
if (bci(row) != no_bci) { |
|
560 |
tab(st); |
|
561 |
st->print_cr("bci(%d: count(%u) displacement(%d))", |
|
562 |
bci(row), bci_count(row), bci_displacement(row)); |
|
563 |
} |
|
564 |
} |
|
565 |
} |
|
566 |
||
567 |
// ================================================================== |
|
568 |
// BranchData |
|
569 |
// |
|
570 |
// A BranchData is used to access profiling data for a two-way branch. |
|
571 |
// It consists of taken and not_taken counts as well as a data displacement |
|
572 |
// for the taken case. |
|
573 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
574 |
void BranchData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
1 | 575 |
assert(stream->bci() == bci(), "wrong pos"); |
576 |
int target = stream->dest(); |
|
577 |
int my_di = mdo->dp_to_di(dp()); |
|
578 |
int target_di = mdo->bci_to_di(target); |
|
579 |
int offset = target_di - my_di; |
|
580 |
set_displacement(offset); |
|
581 |
} |
|
582 |
||
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
583 |
void BranchData::print_data_on(outputStream* st, const char* extra) const { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
584 |
print_shared(st, "BranchData", extra); |
1 | 585 |
st->print_cr("taken(%u) displacement(%d)", |
586 |
taken(), displacement()); |
|
587 |
tab(st); |
|
588 |
st->print_cr("not taken(%u)", not_taken()); |
|
589 |
} |
|
590 |
||
591 |
// ================================================================== |
|
592 |
// MultiBranchData |
|
593 |
// |
|
594 |
// A MultiBranchData is used to access profiling information for |
|
595 |
// a multi-way branch (*switch bytecodes). It consists of a series |
|
596 |
// of (count, displacement) pairs, which count the number of times each |
|
597 |
// case was taken and specify the data displacment for each branch target. |
|
598 |
||
599 |
int MultiBranchData::compute_cell_count(BytecodeStream* stream) { |
|
600 |
int cell_count = 0; |
|
601 |
if (stream->code() == Bytecodes::_tableswitch) { |
|
7913 | 602 |
Bytecode_tableswitch sw(stream->method()(), stream->bcp()); |
603 |
cell_count = 1 + per_case_cell_count * (1 + sw.length()); // 1 for default |
|
1 | 604 |
} else { |
7913 | 605 |
Bytecode_lookupswitch sw(stream->method()(), stream->bcp()); |
606 |
cell_count = 1 + per_case_cell_count * (sw.number_of_pairs() + 1); // 1 for default |
|
1 | 607 |
} |
608 |
return cell_count; |
|
609 |
} |
|
610 |
||
611 |
void MultiBranchData::post_initialize(BytecodeStream* stream, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
612 |
MethodData* mdo) { |
1 | 613 |
assert(stream->bci() == bci(), "wrong pos"); |
614 |
int target; |
|
615 |
int my_di; |
|
616 |
int target_di; |
|
617 |
int offset; |
|
618 |
if (stream->code() == Bytecodes::_tableswitch) { |
|
7913 | 619 |
Bytecode_tableswitch sw(stream->method()(), stream->bcp()); |
620 |
int len = sw.length(); |
|
1 | 621 |
assert(array_len() == per_case_cell_count * (len + 1), "wrong len"); |
622 |
for (int count = 0; count < len; count++) { |
|
7913 | 623 |
target = sw.dest_offset_at(count) + bci(); |
1 | 624 |
my_di = mdo->dp_to_di(dp()); |
625 |
target_di = mdo->bci_to_di(target); |
|
626 |
offset = target_di - my_di; |
|
627 |
set_displacement_at(count, offset); |
|
628 |
} |
|
7913 | 629 |
target = sw.default_offset() + bci(); |
1 | 630 |
my_di = mdo->dp_to_di(dp()); |
631 |
target_di = mdo->bci_to_di(target); |
|
632 |
offset = target_di - my_di; |
|
633 |
set_default_displacement(offset); |
|
634 |
||
635 |
} else { |
|
7913 | 636 |
Bytecode_lookupswitch sw(stream->method()(), stream->bcp()); |
637 |
int npairs = sw.number_of_pairs(); |
|
1 | 638 |
assert(array_len() == per_case_cell_count * (npairs + 1), "wrong len"); |
639 |
for (int count = 0; count < npairs; count++) { |
|
7913 | 640 |
LookupswitchPair pair = sw.pair_at(count); |
641 |
target = pair.offset() + bci(); |
|
1 | 642 |
my_di = mdo->dp_to_di(dp()); |
643 |
target_di = mdo->bci_to_di(target); |
|
644 |
offset = target_di - my_di; |
|
645 |
set_displacement_at(count, offset); |
|
646 |
} |
|
7913 | 647 |
target = sw.default_offset() + bci(); |
1 | 648 |
my_di = mdo->dp_to_di(dp()); |
649 |
target_di = mdo->bci_to_di(target); |
|
650 |
offset = target_di - my_di; |
|
651 |
set_default_displacement(offset); |
|
652 |
} |
|
653 |
} |
|
654 |
||
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
655 |
void MultiBranchData::print_data_on(outputStream* st, const char* extra) const { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
656 |
print_shared(st, "MultiBranchData", extra); |
1 | 657 |
st->print_cr("default_count(%u) displacement(%d)", |
658 |
default_count(), default_displacement()); |
|
659 |
int cases = number_of_cases(); |
|
660 |
for (int i = 0; i < cases; i++) { |
|
661 |
tab(st); |
|
662 |
st->print_cr("count(%u) displacement(%d)", |
|
663 |
count_at(i), displacement_at(i)); |
|
664 |
} |
|
665 |
} |
|
666 |
||
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
667 |
void ArgInfoData::print_data_on(outputStream* st, const char* extra) const { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
668 |
print_shared(st, "ArgInfoData", extra); |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
669 |
int nargs = number_of_args(); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
670 |
for (int i = 0; i < nargs; i++) { |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
671 |
st->print(" 0x%x", arg_modified(i)); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
672 |
} |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
673 |
st->cr(); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
674 |
} |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
675 |
|
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
676 |
int ParametersTypeData::compute_cell_count(Method* m) { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
677 |
if (!MethodData::profile_parameters_for_method(m)) { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
678 |
return 0; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
679 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
680 |
int max = TypeProfileParmsLimit == -1 ? INT_MAX : TypeProfileParmsLimit; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
681 |
int obj_args = TypeStackSlotEntries::compute_cell_count(m->signature(), !m->is_static(), max); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
682 |
if (obj_args > 0) { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
683 |
return obj_args + 1; // 1 cell for array len |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
684 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
685 |
return 0; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
686 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
687 |
|
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
688 |
void ParametersTypeData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
689 |
_parameters.post_initialize(mdo->method()->signature(), !mdo->method()->is_static(), true); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
690 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
691 |
|
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
692 |
bool ParametersTypeData::profiling_enabled() { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
693 |
return MethodData::profile_parameters(); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
694 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
695 |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
696 |
void ParametersTypeData::print_data_on(outputStream* st, const char* extra) const { |
24424
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24351
diff
changeset
|
697 |
st->print("parameter types"); // FIXME extra ignored? |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
698 |
_parameters.print_data_on(st); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
699 |
} |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
700 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
701 |
void SpeculativeTrapData::print_data_on(outputStream* st, const char* extra) const { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
702 |
print_shared(st, "SpeculativeTrapData", extra); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
703 |
tab(st); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
704 |
method()->print_short_name(st); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
705 |
st->cr(); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
706 |
} |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
707 |
|
1 | 708 |
// ================================================================== |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
709 |
// MethodData* |
1 | 710 |
// |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
711 |
// A MethodData* holds information which has been collected about |
1 | 712 |
// a method. |
713 |
||
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
714 |
MethodData* MethodData::allocate(ClassLoaderData* loader_data, const methodHandle& method, TRAPS) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
715 |
int size = MethodData::compute_allocation_size_in_words(method); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
716 |
|
17858
c292f8791cca
8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents:
17002
diff
changeset
|
717 |
return new (loader_data, size, false, MetaspaceObj::MethodDataType, THREAD) |
27680
8ecc0871c18e
8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents:
26586
diff
changeset
|
718 |
MethodData(method(), size, THREAD); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
719 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
720 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
721 |
int MethodData::bytecode_cell_count(Bytecodes::Code code) { |
43455
96560cffef4d
8166002: Emulate client build on platforms with reduced virtual address space
jcm
parents:
37473
diff
changeset
|
722 |
if (is_client_compilation_mode_vm()) { |
96560cffef4d
8166002: Emulate client build on platforms with reduced virtual address space
jcm
parents:
37473
diff
changeset
|
723 |
return no_profile_data; |
96560cffef4d
8166002: Emulate client build on platforms with reduced virtual address space
jcm
parents:
37473
diff
changeset
|
724 |
} |
1 | 725 |
switch (code) { |
726 |
case Bytecodes::_checkcast: |
|
727 |
case Bytecodes::_instanceof: |
|
728 |
case Bytecodes::_aastore: |
|
729 |
if (TypeProfileCasts) { |
|
730 |
return ReceiverTypeData::static_cell_count(); |
|
731 |
} else { |
|
732 |
return BitData::static_cell_count(); |
|
733 |
} |
|
734 |
case Bytecodes::_invokespecial: |
|
735 |
case Bytecodes::_invokestatic: |
|
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
736 |
if (MethodData::profile_arguments() || MethodData::profile_return()) { |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
737 |
return variable_cell_count; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
738 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
739 |
return CounterData::static_cell_count(); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
740 |
} |
1 | 741 |
case Bytecodes::_goto: |
742 |
case Bytecodes::_goto_w: |
|
743 |
case Bytecodes::_jsr: |
|
744 |
case Bytecodes::_jsr_w: |
|
745 |
return JumpData::static_cell_count(); |
|
746 |
case Bytecodes::_invokevirtual: |
|
747 |
case Bytecodes::_invokeinterface: |
|
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
748 |
if (MethodData::profile_arguments() || MethodData::profile_return()) { |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
749 |
return variable_cell_count; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
750 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
751 |
return VirtualCallData::static_cell_count(); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
752 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
670
diff
changeset
|
753 |
case Bytecodes::_invokedynamic: |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
754 |
if (MethodData::profile_arguments() || MethodData::profile_return()) { |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
755 |
return variable_cell_count; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
756 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
757 |
return CounterData::static_cell_count(); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
758 |
} |
1 | 759 |
case Bytecodes::_ret: |
760 |
return RetData::static_cell_count(); |
|
761 |
case Bytecodes::_ifeq: |
|
762 |
case Bytecodes::_ifne: |
|
763 |
case Bytecodes::_iflt: |
|
764 |
case Bytecodes::_ifge: |
|
765 |
case Bytecodes::_ifgt: |
|
766 |
case Bytecodes::_ifle: |
|
767 |
case Bytecodes::_if_icmpeq: |
|
768 |
case Bytecodes::_if_icmpne: |
|
769 |
case Bytecodes::_if_icmplt: |
|
770 |
case Bytecodes::_if_icmpge: |
|
771 |
case Bytecodes::_if_icmpgt: |
|
772 |
case Bytecodes::_if_icmple: |
|
773 |
case Bytecodes::_if_acmpeq: |
|
774 |
case Bytecodes::_if_acmpne: |
|
775 |
case Bytecodes::_ifnull: |
|
776 |
case Bytecodes::_ifnonnull: |
|
777 |
return BranchData::static_cell_count(); |
|
778 |
case Bytecodes::_lookupswitch: |
|
779 |
case Bytecodes::_tableswitch: |
|
780 |
return variable_cell_count; |
|
781 |
} |
|
782 |
return no_profile_data; |
|
783 |
} |
|
784 |
||
785 |
// Compute the size of the profiling information corresponding to |
|
786 |
// the current bytecode. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
787 |
int MethodData::compute_data_size(BytecodeStream* stream) { |
1 | 788 |
int cell_count = bytecode_cell_count(stream->code()); |
789 |
if (cell_count == no_profile_data) { |
|
790 |
return 0; |
|
791 |
} |
|
792 |
if (cell_count == variable_cell_count) { |
|
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
793 |
switch (stream->code()) { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
794 |
case Bytecodes::_lookupswitch: |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
795 |
case Bytecodes::_tableswitch: |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
796 |
cell_count = MultiBranchData::compute_cell_count(stream); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
797 |
break; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
798 |
case Bytecodes::_invokespecial: |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
799 |
case Bytecodes::_invokestatic: |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
800 |
case Bytecodes::_invokedynamic: |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
801 |
assert(MethodData::profile_arguments() || MethodData::profile_return(), "should be collecting args profile"); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
802 |
if (profile_arguments_for_invoke(stream->method(), stream->bci()) || |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
803 |
profile_return_for_invoke(stream->method(), stream->bci())) { |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
804 |
cell_count = CallTypeData::compute_cell_count(stream); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
805 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
806 |
cell_count = CounterData::static_cell_count(); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
807 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
808 |
break; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
809 |
case Bytecodes::_invokevirtual: |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
810 |
case Bytecodes::_invokeinterface: { |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
811 |
assert(MethodData::profile_arguments() || MethodData::profile_return(), "should be collecting args profile"); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
812 |
if (profile_arguments_for_invoke(stream->method(), stream->bci()) || |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
813 |
profile_return_for_invoke(stream->method(), stream->bci())) { |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
814 |
cell_count = VirtualCallTypeData::compute_cell_count(stream); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
815 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
816 |
cell_count = VirtualCallData::static_cell_count(); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
817 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
818 |
break; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
819 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
820 |
default: |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
821 |
fatal("unexpected bytecode for var length profile data"); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
822 |
} |
1 | 823 |
} |
824 |
// Note: cell_count might be zero, meaning that there is just |
|
825 |
// a DataLayout header, with no extra cells. |
|
826 |
assert(cell_count >= 0, "sanity"); |
|
827 |
return DataLayout::compute_size_in_bytes(cell_count); |
|
828 |
} |
|
829 |
||
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
830 |
bool MethodData::is_speculative_trap_bytecode(Bytecodes::Code code) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
831 |
// Bytecodes for which we may use speculation |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
832 |
switch (code) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
833 |
case Bytecodes::_checkcast: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
834 |
case Bytecodes::_instanceof: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
835 |
case Bytecodes::_aastore: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
836 |
case Bytecodes::_invokevirtual: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
837 |
case Bytecodes::_invokeinterface: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
838 |
case Bytecodes::_if_acmpeq: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
839 |
case Bytecodes::_if_acmpne: |
23525
e3eb08ead679
8031755: Type speculation should be used to optimize explicit null checks
roland
parents:
23491
diff
changeset
|
840 |
case Bytecodes::_ifnull: |
e3eb08ead679
8031755: Type speculation should be used to optimize explicit null checks
roland
parents:
23491
diff
changeset
|
841 |
case Bytecodes::_ifnonnull: |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
842 |
case Bytecodes::_invokestatic: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
843 |
#ifdef COMPILER2 |
43455
96560cffef4d
8166002: Emulate client build on platforms with reduced virtual address space
jcm
parents:
37473
diff
changeset
|
844 |
if (is_server_compilation_mode_vm()) { |
96560cffef4d
8166002: Emulate client build on platforms with reduced virtual address space
jcm
parents:
37473
diff
changeset
|
845 |
return UseTypeSpeculation; |
96560cffef4d
8166002: Emulate client build on platforms with reduced virtual address space
jcm
parents:
37473
diff
changeset
|
846 |
} |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
847 |
#endif |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
848 |
default: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
849 |
return false; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
850 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
851 |
return false; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
852 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
853 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
854 |
int MethodData::compute_extra_data_count(int data_size, int empty_bc_count, bool needs_speculative_traps) { |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
855 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
856 |
if (ProfileTraps) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
857 |
// Assume that up to 30% of the possibly trapping BCIs with no MDP will need to allocate one. |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
858 |
int extra_data_count = MIN2(empty_bc_count, MAX2(4, (empty_bc_count * 30) / 100)); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
859 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
860 |
// Make sure we have a minimum number of extra data slots to |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
861 |
// allocate SpeculativeTrapData entries. We would want to have one |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
862 |
// entry per compilation that inlines this method and for which |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
863 |
// some type speculation assumption fails. So the room we need for |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
864 |
// the SpeculativeTrapData entries doesn't directly depend on the |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
865 |
// size of the method. Because it's hard to estimate, we reserve |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
866 |
// space for an arbitrary number of entries. |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
867 |
int spec_data_count = (needs_speculative_traps ? SpecTrapLimitExtraEntries : 0) * |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
868 |
(SpeculativeTrapData::static_cell_count() + DataLayout::header_size_in_cells()); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
869 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
870 |
return MAX2(extra_data_count, spec_data_count); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
871 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
872 |
return 0; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
873 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
874 |
#else // INCLUDE_JVMCI |
1 | 875 |
if (ProfileTraps) { |
876 |
// Assume that up to 3% of BCIs with no MDP will need to allocate one. |
|
877 |
int extra_data_count = (uint)(empty_bc_count * 3) / 128 + 1; |
|
878 |
// If the method is large, let the extra BCIs grow numerous (to ~1%). |
|
879 |
int one_percent_of_data |
|
880 |
= (uint)data_size / (DataLayout::header_size_in_bytes()*128); |
|
881 |
if (extra_data_count < one_percent_of_data) |
|
882 |
extra_data_count = one_percent_of_data; |
|
883 |
if (extra_data_count > empty_bc_count) |
|
884 |
extra_data_count = empty_bc_count; // no need for more |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
885 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
886 |
// Make sure we have a minimum number of extra data slots to |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
887 |
// allocate SpeculativeTrapData entries. We would want to have one |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
888 |
// entry per compilation that inlines this method and for which |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
889 |
// some type speculation assumption fails. So the room we need for |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
890 |
// the SpeculativeTrapData entries doesn't directly depend on the |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
891 |
// size of the method. Because it's hard to estimate, we reserve |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
892 |
// space for an arbitrary number of entries. |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
893 |
int spec_data_count = (needs_speculative_traps ? SpecTrapLimitExtraEntries : 0) * |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
894 |
(SpeculativeTrapData::static_cell_count() + DataLayout::header_size_in_cells()); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
895 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
896 |
return MAX2(extra_data_count, spec_data_count); |
1 | 897 |
} else { |
898 |
return 0; |
|
899 |
} |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
900 |
#endif // INCLUDE_JVMCI |
1 | 901 |
} |
902 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
903 |
// Compute the size of the MethodData* necessary to store |
1 | 904 |
// profiling information about a given method. Size is in bytes. |
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
905 |
int MethodData::compute_allocation_size_in_bytes(const methodHandle& method) { |
1 | 906 |
int data_size = 0; |
907 |
BytecodeStream stream(method); |
|
908 |
Bytecodes::Code c; |
|
909 |
int empty_bc_count = 0; // number of bytecodes lacking data |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
910 |
bool needs_speculative_traps = false; |
1 | 911 |
while ((c = stream.next()) >= 0) { |
912 |
int size_in_bytes = compute_data_size(&stream); |
|
913 |
data_size += size_in_bytes; |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
914 |
if (size_in_bytes == 0 JVMCI_ONLY(&& Bytecodes::can_trap(c))) empty_bc_count += 1; |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
915 |
needs_speculative_traps = needs_speculative_traps || is_speculative_trap_bytecode(c); |
1 | 916 |
} |
917 |
int object_size = in_bytes(data_offset()) + data_size; |
|
918 |
||
919 |
// Add some extra DataLayout cells (at least one) to track stray traps. |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
920 |
int extra_data_count = compute_extra_data_count(data_size, empty_bc_count, needs_speculative_traps); |
1 | 921 |
object_size += extra_data_count * DataLayout::compute_size_in_bytes(0); |
922 |
||
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
923 |
// Add a cell to record information about modified arguments. |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
924 |
int arg_size = method->size_of_parameters(); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
925 |
object_size += DataLayout::compute_size_in_bytes(arg_size+1); |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
926 |
|
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
927 |
// Reserve room for an area of the MDO dedicated to profiling of |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
928 |
// parameters |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
929 |
int args_cell = ParametersTypeData::compute_cell_count(method()); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
930 |
if (args_cell > 0) { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
931 |
object_size += DataLayout::compute_size_in_bytes(args_cell); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
932 |
} |
1 | 933 |
return object_size; |
934 |
} |
|
935 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
936 |
// Compute the size of the MethodData* necessary to store |
1 | 937 |
// profiling information about a given method. Size is in words |
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
938 |
int MethodData::compute_allocation_size_in_words(const methodHandle& method) { |
1 | 939 |
int byte_size = compute_allocation_size_in_bytes(method); |
940 |
int word_size = align_size_up(byte_size, BytesPerWord) / BytesPerWord; |
|
35898
ddc274f0052f
8145628: hotspot metadata classes shouldn't use HeapWordSize or heap related macros like align_object_size
coleenp
parents:
35492
diff
changeset
|
941 |
return align_metadata_size(word_size); |
1 | 942 |
} |
943 |
||
944 |
// Initialize an individual data segment. Returns the size of |
|
945 |
// the segment in bytes. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
946 |
int MethodData::initialize_data(BytecodeStream* stream, |
1 | 947 |
int data_index) { |
43455
96560cffef4d
8166002: Emulate client build on platforms with reduced virtual address space
jcm
parents:
37473
diff
changeset
|
948 |
if (is_client_compilation_mode_vm()) { |
96560cffef4d
8166002: Emulate client build on platforms with reduced virtual address space
jcm
parents:
37473
diff
changeset
|
949 |
return 0; |
96560cffef4d
8166002: Emulate client build on platforms with reduced virtual address space
jcm
parents:
37473
diff
changeset
|
950 |
} |
1 | 951 |
int cell_count = -1; |
952 |
int tag = DataLayout::no_tag; |
|
953 |
DataLayout* data_layout = data_layout_at(data_index); |
|
954 |
Bytecodes::Code c = stream->code(); |
|
955 |
switch (c) { |
|
956 |
case Bytecodes::_checkcast: |
|
957 |
case Bytecodes::_instanceof: |
|
958 |
case Bytecodes::_aastore: |
|
959 |
if (TypeProfileCasts) { |
|
960 |
cell_count = ReceiverTypeData::static_cell_count(); |
|
961 |
tag = DataLayout::receiver_type_data_tag; |
|
962 |
} else { |
|
963 |
cell_count = BitData::static_cell_count(); |
|
964 |
tag = DataLayout::bit_data_tag; |
|
965 |
} |
|
966 |
break; |
|
967 |
case Bytecodes::_invokespecial: |
|
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
968 |
case Bytecodes::_invokestatic: { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
969 |
int counter_data_cell_count = CounterData::static_cell_count(); |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
970 |
if (profile_arguments_for_invoke(stream->method(), stream->bci()) || |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
971 |
profile_return_for_invoke(stream->method(), stream->bci())) { |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
972 |
cell_count = CallTypeData::compute_cell_count(stream); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
973 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
974 |
cell_count = counter_data_cell_count; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
975 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
976 |
if (cell_count > counter_data_cell_count) { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
977 |
tag = DataLayout::call_type_data_tag; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
978 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
979 |
tag = DataLayout::counter_data_tag; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
980 |
} |
1 | 981 |
break; |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
982 |
} |
1 | 983 |
case Bytecodes::_goto: |
984 |
case Bytecodes::_goto_w: |
|
985 |
case Bytecodes::_jsr: |
|
986 |
case Bytecodes::_jsr_w: |
|
987 |
cell_count = JumpData::static_cell_count(); |
|
988 |
tag = DataLayout::jump_data_tag; |
|
989 |
break; |
|
990 |
case Bytecodes::_invokevirtual: |
|
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
991 |
case Bytecodes::_invokeinterface: { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
992 |
int virtual_call_data_cell_count = VirtualCallData::static_cell_count(); |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
993 |
if (profile_arguments_for_invoke(stream->method(), stream->bci()) || |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
994 |
profile_return_for_invoke(stream->method(), stream->bci())) { |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
995 |
cell_count = VirtualCallTypeData::compute_cell_count(stream); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
996 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
997 |
cell_count = virtual_call_data_cell_count; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
998 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
999 |
if (cell_count > virtual_call_data_cell_count) { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1000 |
tag = DataLayout::virtual_call_type_data_tag; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1001 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1002 |
tag = DataLayout::virtual_call_data_tag; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1003 |
} |
1 | 1004 |
break; |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1005 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1006 |
case Bytecodes::_invokedynamic: { |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
670
diff
changeset
|
1007 |
// %%% should make a type profile for any invokedynamic that takes a ref argument |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1008 |
int counter_data_cell_count = CounterData::static_cell_count(); |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1009 |
if (profile_arguments_for_invoke(stream->method(), stream->bci()) || |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1010 |
profile_return_for_invoke(stream->method(), stream->bci())) { |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1011 |
cell_count = CallTypeData::compute_cell_count(stream); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1012 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1013 |
cell_count = counter_data_cell_count; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1014 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1015 |
if (cell_count > counter_data_cell_count) { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1016 |
tag = DataLayout::call_type_data_tag; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1017 |
} else { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1018 |
tag = DataLayout::counter_data_tag; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1019 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
670
diff
changeset
|
1020 |
break; |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1021 |
} |
1 | 1022 |
case Bytecodes::_ret: |
1023 |
cell_count = RetData::static_cell_count(); |
|
1024 |
tag = DataLayout::ret_data_tag; |
|
1025 |
break; |
|
1026 |
case Bytecodes::_ifeq: |
|
1027 |
case Bytecodes::_ifne: |
|
1028 |
case Bytecodes::_iflt: |
|
1029 |
case Bytecodes::_ifge: |
|
1030 |
case Bytecodes::_ifgt: |
|
1031 |
case Bytecodes::_ifle: |
|
1032 |
case Bytecodes::_if_icmpeq: |
|
1033 |
case Bytecodes::_if_icmpne: |
|
1034 |
case Bytecodes::_if_icmplt: |
|
1035 |
case Bytecodes::_if_icmpge: |
|
1036 |
case Bytecodes::_if_icmpgt: |
|
1037 |
case Bytecodes::_if_icmple: |
|
1038 |
case Bytecodes::_if_acmpeq: |
|
1039 |
case Bytecodes::_if_acmpne: |
|
1040 |
case Bytecodes::_ifnull: |
|
1041 |
case Bytecodes::_ifnonnull: |
|
1042 |
cell_count = BranchData::static_cell_count(); |
|
1043 |
tag = DataLayout::branch_data_tag; |
|
1044 |
break; |
|
1045 |
case Bytecodes::_lookupswitch: |
|
1046 |
case Bytecodes::_tableswitch: |
|
1047 |
cell_count = MultiBranchData::compute_cell_count(stream); |
|
1048 |
tag = DataLayout::multi_branch_data_tag; |
|
1049 |
break; |
|
1050 |
} |
|
1051 |
assert(tag == DataLayout::multi_branch_data_tag || |
|
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1052 |
((MethodData::profile_arguments() || MethodData::profile_return()) && |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1053 |
(tag == DataLayout::call_type_data_tag || |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1054 |
tag == DataLayout::counter_data_tag || |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1055 |
tag == DataLayout::virtual_call_type_data_tag || |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1056 |
tag == DataLayout::virtual_call_data_tag)) || |
1 | 1057 |
cell_count == bytecode_cell_count(c), "cell counts must agree"); |
1058 |
if (cell_count >= 0) { |
|
1059 |
assert(tag != DataLayout::no_tag, "bad tag"); |
|
1060 |
assert(bytecode_has_profile(c), "agree w/ BHP"); |
|
1061 |
data_layout->initialize(tag, stream->bci(), cell_count); |
|
1062 |
return DataLayout::compute_size_in_bytes(cell_count); |
|
1063 |
} else { |
|
1064 |
assert(!bytecode_has_profile(c), "agree w/ !BHP"); |
|
1065 |
return 0; |
|
1066 |
} |
|
1067 |
} |
|
1068 |
||
1069 |
// Get the data at an arbitrary (sort of) data index. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1070 |
ProfileData* MethodData::data_at(int data_index) const { |
1 | 1071 |
if (out_of_bounds(data_index)) { |
1072 |
return NULL; |
|
1073 |
} |
|
1074 |
DataLayout* data_layout = data_layout_at(data_index); |
|
3696 | 1075 |
return data_layout->data_in(); |
1076 |
} |
|
1 | 1077 |
|
3696 | 1078 |
ProfileData* DataLayout::data_in() { |
1079 |
switch (tag()) { |
|
1 | 1080 |
case DataLayout::no_tag: |
1081 |
default: |
|
1082 |
ShouldNotReachHere(); |
|
1083 |
return NULL; |
|
1084 |
case DataLayout::bit_data_tag: |
|
3696 | 1085 |
return new BitData(this); |
1 | 1086 |
case DataLayout::counter_data_tag: |
3696 | 1087 |
return new CounterData(this); |
1 | 1088 |
case DataLayout::jump_data_tag: |
3696 | 1089 |
return new JumpData(this); |
1 | 1090 |
case DataLayout::receiver_type_data_tag: |
3696 | 1091 |
return new ReceiverTypeData(this); |
1 | 1092 |
case DataLayout::virtual_call_data_tag: |
3696 | 1093 |
return new VirtualCallData(this); |
1 | 1094 |
case DataLayout::ret_data_tag: |
3696 | 1095 |
return new RetData(this); |
1 | 1096 |
case DataLayout::branch_data_tag: |
3696 | 1097 |
return new BranchData(this); |
1 | 1098 |
case DataLayout::multi_branch_data_tag: |
3696 | 1099 |
return new MultiBranchData(this); |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1100 |
case DataLayout::arg_info_data_tag: |
3696 | 1101 |
return new ArgInfoData(this); |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1102 |
case DataLayout::call_type_data_tag: |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1103 |
return new CallTypeData(this); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1104 |
case DataLayout::virtual_call_type_data_tag: |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1105 |
return new VirtualCallTypeData(this); |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1106 |
case DataLayout::parameters_type_data_tag: |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1107 |
return new ParametersTypeData(this); |
33632 | 1108 |
case DataLayout::speculative_trap_data_tag: |
1109 |
return new SpeculativeTrapData(this); |
|
1110 |
} |
|
1 | 1111 |
} |
1112 |
||
1113 |
// Iteration over data. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1114 |
ProfileData* MethodData::next_data(ProfileData* current) const { |
1 | 1115 |
int current_index = dp_to_di(current->dp()); |
1116 |
int next_index = current_index + current->size_in_bytes(); |
|
1117 |
ProfileData* next = data_at(next_index); |
|
1118 |
return next; |
|
1119 |
} |
|
1120 |
||
1121 |
// Give each of the data entries a chance to perform specific |
|
1122 |
// data initialization. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1123 |
void MethodData::post_initialize(BytecodeStream* stream) { |
1 | 1124 |
ResourceMark rm; |
1125 |
ProfileData* data; |
|
1126 |
for (data = first_data(); is_valid(data); data = next_data(data)) { |
|
1127 |
stream->set_start(data->bci()); |
|
1128 |
stream->next(); |
|
1129 |
data->post_initialize(stream, this); |
|
1130 |
} |
|
26440
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1131 |
if (_parameters_type_data_di != no_parameters) { |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1132 |
parameters_type_data()->post_initialize(NULL, this); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1133 |
} |
1 | 1134 |
} |
1135 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1136 |
// Initialize the MethodData* corresponding to a given method. |
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1137 |
MethodData::MethodData(const methodHandle& method, int size, TRAPS) |
26440
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1138 |
: _extra_data_lock(Monitor::leaf, "MDO extra data lock"), |
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1139 |
_parameters_type_data_di(parameters_uninitialized) { |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1140 |
// Set the method back-pointer. |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1141 |
_method = method(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1142 |
initialize(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1143 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1144 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1145 |
void MethodData::initialize() { |
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
33638
diff
changeset
|
1146 |
NoSafepointVerifier no_safepoint; // init function atomic wrt GC |
1 | 1147 |
ResourceMark rm; |
6453 | 1148 |
|
16689
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1149 |
init(); |
1 | 1150 |
set_creation_mileage(mileage_of(method())); |
1151 |
||
1152 |
// Go through the bytecodes and allocate and initialize the |
|
1153 |
// corresponding data cells. |
|
1154 |
int data_size = 0; |
|
1155 |
int empty_bc_count = 0; // number of bytecodes lacking data |
|
15928
f9d5c6e4107f
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
15437
diff
changeset
|
1156 |
_data[0] = 0; // apparently not set below. |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1157 |
BytecodeStream stream(method()); |
1 | 1158 |
Bytecodes::Code c; |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1159 |
bool needs_speculative_traps = false; |
1 | 1160 |
while ((c = stream.next()) >= 0) { |
1161 |
int size_in_bytes = initialize_data(&stream, data_size); |
|
1162 |
data_size += size_in_bytes; |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1163 |
if (size_in_bytes == 0 JVMCI_ONLY(&& Bytecodes::can_trap(c))) empty_bc_count += 1; |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1164 |
needs_speculative_traps = needs_speculative_traps || is_speculative_trap_bytecode(c); |
1 | 1165 |
} |
1166 |
_data_size = data_size; |
|
1167 |
int object_size = in_bytes(data_offset()) + data_size; |
|
1168 |
||
1169 |
// Add some extra DataLayout cells (at least one) to track stray traps. |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1170 |
int extra_data_count = compute_extra_data_count(data_size, empty_bc_count, needs_speculative_traps); |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1171 |
int extra_size = extra_data_count * DataLayout::compute_size_in_bytes(0); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1172 |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1173 |
// Let's zero the space for the extra data |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1174 |
Copy::zero_to_bytes(((address)_data) + data_size, extra_size); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1175 |
|
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1176 |
// Add a cell to record information about modified arguments. |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1177 |
// Set up _args_modified array after traps cells so that |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1178 |
// the code for traps cells works. |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1179 |
DataLayout *dp = data_layout_at(data_size + extra_size); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1180 |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1181 |
int arg_size = method()->size_of_parameters(); |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1182 |
dp->initialize(DataLayout::arg_info_data_tag, 0, arg_size+1); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1183 |
|
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1184 |
int arg_data_size = DataLayout::compute_size_in_bytes(arg_size+1); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1185 |
object_size += extra_size + arg_data_size; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1186 |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1187 |
int parms_cell = ParametersTypeData::compute_cell_count(method()); |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1188 |
// If we are profiling parameters, we reserver an area near the end |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1189 |
// of the MDO after the slots for bytecodes (because there's no bci |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1190 |
// for method entry so they don't fit with the framework for the |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1191 |
// profiling of bytecodes). We store the offset within the MDO of |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1192 |
// this area (or -1 if no parameter is profiled) |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1193 |
if (parms_cell > 0) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1194 |
object_size += DataLayout::compute_size_in_bytes(parms_cell); |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1195 |
_parameters_type_data_di = data_size + extra_size + arg_data_size; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1196 |
DataLayout *dp = data_layout_at(data_size + extra_size + arg_data_size); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1197 |
dp->initialize(DataLayout::parameters_type_data_tag, 0, parms_cell); |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1198 |
} else { |
26440
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1199 |
_parameters_type_data_di = no_parameters; |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1200 |
} |
1 | 1201 |
|
1202 |
// Set an initial hint. Don't use set_hint_di() because |
|
1203 |
// first_di() may be out of bounds if data_size is 0. |
|
1204 |
// In that situation, _hint_di is never used, but at |
|
1205 |
// least well-defined. |
|
1206 |
_hint_di = first_di(); |
|
1207 |
||
1208 |
post_initialize(&stream); |
|
1209 |
||
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1210 |
assert(object_size == compute_allocation_size_in_bytes(methodHandle(_method)), "MethodData: computed size != initialized size"); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1211 |
set_size(object_size); |
16689
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1212 |
} |
15928
f9d5c6e4107f
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
15437
diff
changeset
|
1213 |
|
16689
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1214 |
void MethodData::init() { |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1215 |
_invocation_counter.init(); |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1216 |
_backedge_counter.init(); |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1217 |
_invocation_counter_start = 0; |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1218 |
_backedge_counter_start = 0; |
28650
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28365
diff
changeset
|
1219 |
|
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28365
diff
changeset
|
1220 |
// Set per-method invoke- and backedge mask. |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28365
diff
changeset
|
1221 |
double scale = 1.0; |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28365
diff
changeset
|
1222 |
CompilerOracle::has_option_value(_method, "CompileThresholdScaling", scale); |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28365
diff
changeset
|
1223 |
_invoke_mask = right_n_bits(Arguments::scaled_freq_log(Tier0InvokeNotifyFreqLog, scale)) << InvocationCounter::count_shift; |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28365
diff
changeset
|
1224 |
_backedge_mask = right_n_bits(Arguments::scaled_freq_log(Tier0BackedgeNotifyFreqLog, scale)) << InvocationCounter::count_shift; |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28365
diff
changeset
|
1225 |
|
24442
4d4ae31dea26
8032463: VirtualDispatch test timeout with DeoptimizeALot
iveresov
parents:
24424
diff
changeset
|
1226 |
_tenure_traps = 0; |
16689
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1227 |
_num_loops = 0; |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1228 |
_num_blocks = 0; |
27643
fe8f95a2d9bc
8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'
thartmann
parents:
26586
diff
changeset
|
1229 |
_would_profile = unknown; |
16689
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1230 |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1231 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1232 |
_jvmci_ir_size = 0; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1233 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
30183
diff
changeset
|
1234 |
|
23491 | 1235 |
#if INCLUDE_RTM_OPT |
1236 |
_rtm_state = NoRTM; // No RTM lock eliding by default |
|
1237 |
if (UseRTMLocking && |
|
1238 |
!CompilerOracle::has_option_string(_method, "NoRTMLockEliding")) { |
|
1239 |
if (CompilerOracle::has_option_string(_method, "UseRTMLockEliding") || !UseRTMDeopt) { |
|
1240 |
// Generate RTM lock eliding code without abort ratio calculation code. |
|
1241 |
_rtm_state = UseRTM; |
|
1242 |
} else if (UseRTMDeopt) { |
|
1243 |
// Generate RTM lock eliding code and include abort ratio calculation |
|
1244 |
// code if UseRTMDeopt is on. |
|
1245 |
_rtm_state = ProfileRTM; |
|
1246 |
} |
|
1247 |
} |
|
1248 |
#endif |
|
1249 |
||
16689
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1250 |
// Initialize flags and trap history. |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1251 |
_nof_decompiles = 0; |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1252 |
_nof_overflow_recompiles = 0; |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1253 |
_nof_overflow_traps = 0; |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1254 |
clear_escape_info(); |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1255 |
assert(sizeof(_trap_hist) % sizeof(HeapWord) == 0, "align"); |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1256 |
Copy::zero_to_words((HeapWord*) &_trap_hist, |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
1257 |
sizeof(_trap_hist) / sizeof(HeapWord)); |
1 | 1258 |
} |
1259 |
||
1260 |
// Get a measure of how much mileage the method has on it. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1261 |
int MethodData::mileage_of(Method* method) { |
1 | 1262 |
int mileage = 0; |
6453 | 1263 |
if (TieredCompilation) { |
1264 |
mileage = MAX2(method->invocation_count(), method->backedge_count()); |
|
1265 |
} else { |
|
1266 |
int iic = method->interpreter_invocation_count(); |
|
1267 |
if (mileage < iic) mileage = iic; |
|
17000
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1268 |
MethodCounters* mcs = method->method_counters(); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1269 |
if (mcs != NULL) { |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1270 |
InvocationCounter* ic = mcs->invocation_counter(); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1271 |
InvocationCounter* bc = mcs->backedge_counter(); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1272 |
int icval = ic->count(); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1273 |
if (ic->carry()) icval += CompileThreshold; |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1274 |
if (mileage < icval) mileage = icval; |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1275 |
int bcval = bc->count(); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1276 |
if (bc->carry()) bcval += CompileThreshold; |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1277 |
if (mileage < bcval) mileage = bcval; |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
1278 |
} |
6453 | 1279 |
} |
1 | 1280 |
return mileage; |
1281 |
} |
|
1282 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1283 |
bool MethodData::is_mature() const { |
6453 | 1284 |
return CompilationPolicy::policy()->is_mature(_method); |
1 | 1285 |
} |
1286 |
||
1287 |
// Translate a bci to its corresponding data index (di). |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1288 |
address MethodData::bci_to_dp(int bci) { |
1 | 1289 |
ResourceMark rm; |
1290 |
ProfileData* data = data_before(bci); |
|
1291 |
ProfileData* prev = NULL; |
|
1292 |
for ( ; is_valid(data); data = next_data(data)) { |
|
1293 |
if (data->bci() >= bci) { |
|
1294 |
if (data->bci() == bci) set_hint_di(dp_to_di(data->dp())); |
|
1295 |
else if (prev != NULL) set_hint_di(dp_to_di(prev->dp())); |
|
1296 |
return data->dp(); |
|
1297 |
} |
|
1298 |
prev = data; |
|
1299 |
} |
|
1300 |
return (address)limit_data_position(); |
|
1301 |
} |
|
1302 |
||
1303 |
// Translate a bci to its corresponding data, or NULL. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1304 |
ProfileData* MethodData::bci_to_data(int bci) { |
1 | 1305 |
ProfileData* data = data_before(bci); |
1306 |
for ( ; is_valid(data); data = next_data(data)) { |
|
1307 |
if (data->bci() == bci) { |
|
1308 |
set_hint_di(dp_to_di(data->dp())); |
|
1309 |
return data; |
|
1310 |
} else if (data->bci() > bci) { |
|
1311 |
break; |
|
1312 |
} |
|
1313 |
} |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1314 |
return bci_to_extra_data(bci, NULL, false); |
1 | 1315 |
} |
1316 |
||
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1317 |
DataLayout* MethodData::next_extra(DataLayout* dp) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1318 |
int nb_cells = 0; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1319 |
switch(dp->tag()) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1320 |
case DataLayout::bit_data_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1321 |
case DataLayout::no_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1322 |
nb_cells = BitData::static_cell_count(); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1323 |
break; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1324 |
case DataLayout::speculative_trap_data_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1325 |
nb_cells = SpeculativeTrapData::static_cell_count(); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1326 |
break; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1327 |
default: |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
30183
diff
changeset
|
1328 |
fatal("unexpected tag %d", dp->tag()); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1329 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1330 |
return (DataLayout*)((address)dp + DataLayout::compute_size_in_bytes(nb_cells)); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1331 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1332 |
|
23201
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1333 |
ProfileData* MethodData::bci_to_extra_data_helper(int bci, Method* m, DataLayout*& dp, bool concurrent) { |
26440
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1334 |
DataLayout* end = args_data_limit(); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1335 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1336 |
for (;; dp = next_extra(dp)) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1337 |
assert(dp < end, "moved past end of extra data"); |
1 | 1338 |
// No need for "OrderAccess::load_acquire" ops, |
1339 |
// since the data structure is monotonic. |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1340 |
switch(dp->tag()) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1341 |
case DataLayout::no_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1342 |
return NULL; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1343 |
case DataLayout::arg_info_data_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1344 |
dp = end; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1345 |
return NULL; // ArgInfoData is at the end of extra data section. |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1346 |
case DataLayout::bit_data_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1347 |
if (m == NULL && dp->bci() == bci) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1348 |
return new BitData(dp); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1349 |
} |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1350 |
break; |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1351 |
case DataLayout::speculative_trap_data_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1352 |
if (m != NULL) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1353 |
SpeculativeTrapData* data = new SpeculativeTrapData(dp); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1354 |
// data->method() may be null in case of a concurrent |
23201
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1355 |
// allocation. Maybe it's for the same method. Try to use that |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1356 |
// entry in that case. |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1357 |
if (dp->bci() == bci) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1358 |
if (data->method() == NULL) { |
23201
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1359 |
assert(concurrent, "impossible because no concurrent allocation"); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1360 |
return NULL; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1361 |
} else if (data->method() == m) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1362 |
return data; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1363 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1364 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1365 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1366 |
break; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1367 |
default: |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
30183
diff
changeset
|
1368 |
fatal("unexpected tag %d", dp->tag()); |
1 | 1369 |
} |
1370 |
} |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1371 |
return NULL; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1372 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1373 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1374 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1375 |
// Translate a bci to its corresponding extra data, or NULL. |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1376 |
ProfileData* MethodData::bci_to_extra_data(int bci, Method* m, bool create_if_missing) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1377 |
// This code assumes an entry for a SpeculativeTrapData is 2 cells |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1378 |
assert(2*DataLayout::compute_size_in_bytes(BitData::static_cell_count()) == |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1379 |
DataLayout::compute_size_in_bytes(SpeculativeTrapData::static_cell_count()), |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1380 |
"code needs to be adjusted"); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1381 |
|
28365
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1382 |
// Do not create one of these if method has been redefined. |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1383 |
if (m != NULL && m->is_old()) { |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1384 |
return NULL; |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1385 |
} |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1386 |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1387 |
DataLayout* dp = extra_data_base(); |
26440
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1388 |
DataLayout* end = args_data_limit(); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1389 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1390 |
// Allocation in the extra data space has to be atomic because not |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1391 |
// all entries have the same size and non atomic concurrent |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1392 |
// allocation would result in a corrupted extra data space. |
23201
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1393 |
ProfileData* result = bci_to_extra_data_helper(bci, m, dp, true); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1394 |
if (result != NULL) { |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1395 |
return result; |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1396 |
} |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1397 |
|
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1398 |
if (create_if_missing && dp < end) { |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1399 |
MutexLocker ml(&_extra_data_lock); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1400 |
// Check again now that we have the lock. Another thread may |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1401 |
// have added extra data entries. |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1402 |
ProfileData* result = bci_to_extra_data_helper(bci, m, dp, false); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1403 |
if (result != NULL || dp >= end) { |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1404 |
return result; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1405 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1406 |
|
23201
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1407 |
assert(dp->tag() == DataLayout::no_tag || (dp->tag() == DataLayout::speculative_trap_data_tag && m != NULL), "should be free"); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1408 |
assert(next_extra(dp)->tag() == DataLayout::no_tag || next_extra(dp)->tag() == DataLayout::arg_info_data_tag, "should be free or arg info"); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1409 |
u1 tag = m == NULL ? DataLayout::bit_data_tag : DataLayout::speculative_trap_data_tag; |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1410 |
// SpeculativeTrapData is 2 slots. Make sure we have room. |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1411 |
if (m != NULL && next_extra(dp)->tag() != DataLayout::no_tag) { |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1412 |
return NULL; |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1413 |
} |
23201
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1414 |
DataLayout temp; |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1415 |
temp.initialize(tag, bci, 0); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1416 |
|
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1417 |
dp->set_header(temp.header()); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1418 |
assert(dp->tag() == tag, "sane"); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1419 |
assert(dp->bci() == bci, "no concurrent allocation"); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1420 |
if (tag == DataLayout::bit_data_tag) { |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1421 |
return new BitData(dp); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1422 |
} else { |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1423 |
SpeculativeTrapData* data = new SpeculativeTrapData(dp); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1424 |
data->set_method(m); |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1425 |
return data; |
6920163f479e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
22916
diff
changeset
|
1426 |
} |
1 | 1427 |
} |
1428 |
return NULL; |
|
1429 |
} |
|
1430 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1431 |
ArgInfoData *MethodData::arg_info() { |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1432 |
DataLayout* dp = extra_data_base(); |
26440
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1433 |
DataLayout* end = args_data_limit(); |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1434 |
for (; dp < end; dp = next_extra(dp)) { |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1435 |
if (dp->tag() == DataLayout::arg_info_data_tag) |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1436 |
return new ArgInfoData(dp); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1437 |
} |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1438 |
return NULL; |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1439 |
} |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1440 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1441 |
// Printing |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1442 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1443 |
void MethodData::print_on(outputStream* st) const { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1444 |
assert(is_methodData(), "should be method data"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1445 |
st->print("method data for "); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1446 |
method()->print_value_on(st); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1447 |
st->cr(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1448 |
print_data_on(st); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1449 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1450 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1451 |
void MethodData::print_value_on(outputStream* st) const { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1452 |
assert(is_methodData(), "should be method data"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1453 |
st->print("method data for "); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1454 |
method()->print_value_on(st); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1455 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1456 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1457 |
void MethodData::print_data_on(outputStream* st) const { |
1 | 1458 |
ResourceMark rm; |
1459 |
ProfileData* data = first_data(); |
|
26440
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1460 |
if (_parameters_type_data_di != no_parameters) { |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1461 |
parameters_type_data()->print_data_on(st); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1462 |
} |
1 | 1463 |
for ( ; is_valid(data); data = next_data(data)) { |
1464 |
st->print("%d", dp_to_di(data->dp())); |
|
1465 |
st->fill_to(6); |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1466 |
data->print_data_on(st, this); |
1 | 1467 |
} |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1468 |
st->print_cr("--- Extra data:"); |
1 | 1469 |
DataLayout* dp = extra_data_base(); |
26440
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1470 |
DataLayout* end = args_data_limit(); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1471 |
for (;; dp = next_extra(dp)) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1472 |
assert(dp < end, "moved past end of extra data"); |
1 | 1473 |
// No need for "OrderAccess::load_acquire" ops, |
1474 |
// since the data structure is monotonic. |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1475 |
switch(dp->tag()) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1476 |
case DataLayout::no_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1477 |
continue; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1478 |
case DataLayout::bit_data_tag: |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1479 |
data = new BitData(dp); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1480 |
break; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1481 |
case DataLayout::speculative_trap_data_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1482 |
data = new SpeculativeTrapData(dp); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1483 |
break; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1484 |
case DataLayout::arg_info_data_tag: |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1485 |
data = new ArgInfoData(dp); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1486 |
dp = end; // ArgInfoData is at the end of extra data section. |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1487 |
break; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1488 |
default: |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
30183
diff
changeset
|
1489 |
fatal("unexpected tag %d", dp->tag()); |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
1490 |
} |
1 | 1491 |
st->print("%d", dp_to_di(data->dp())); |
1492 |
st->fill_to(6); |
|
1493 |
data->print_data_on(st); |
|
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1494 |
if (dp >= end) return; |
1 | 1495 |
} |
1496 |
} |
|
1497 |
||
15437 | 1498 |
#if INCLUDE_SERVICES |
1499 |
// Size Statistics |
|
1500 |
void MethodData::collect_statistics(KlassSizeStats *sz) const { |
|
1501 |
int n = sz->count(this); |
|
1502 |
sz->_method_data_bytes += n; |
|
1503 |
sz->_method_all_bytes += n; |
|
1504 |
sz->_rw_bytes += n; |
|
1505 |
} |
|
1506 |
#endif // INCLUDE_SERVICES |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1507 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1508 |
// Verification |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1509 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1510 |
void MethodData::verify_on(outputStream* st) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1511 |
guarantee(is_methodData(), "object must be method data"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1512 |
// guarantee(m->is_perm(), "should be in permspace"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1513 |
this->verify_data_on(st); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1514 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1515 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
1516 |
void MethodData::verify_data_on(outputStream* st) { |
1 | 1517 |
NEEDS_CLEANUP; |
1518 |
// not yet implemented. |
|
1519 |
} |
|
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1520 |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1521 |
bool MethodData::profile_jsr292(const methodHandle& m, int bci) { |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1522 |
if (m->is_compiled_lambda_form()) { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1523 |
return true; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1524 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1525 |
|
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1526 |
Bytecode_invoke inv(m , bci); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1527 |
return inv.is_invokedynamic() || inv.is_invokehandle(); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1528 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1529 |
|
46542
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1530 |
bool MethodData::profile_unsafe(const methodHandle& m, int bci) { |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1531 |
Bytecode_invoke inv(m , bci); |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1532 |
if (inv.is_invokevirtual() && inv.klass() == vmSymbols::jdk_internal_misc_Unsafe()) { |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1533 |
ResourceMark rm; |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1534 |
char* name = inv.name()->as_C_string(); |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1535 |
if (!strncmp(name, "get", 3) || !strncmp(name, "put", 3)) { |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1536 |
return true; |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1537 |
} |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1538 |
} |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1539 |
return false; |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1540 |
} |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1541 |
|
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1542 |
int MethodData::profile_arguments_flag() { |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1543 |
return TypeProfileLevel % 10; |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1544 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1545 |
|
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1546 |
bool MethodData::profile_arguments() { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1547 |
return profile_arguments_flag() > no_type_profile && profile_arguments_flag() <= type_profile_all; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1548 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1549 |
|
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1550 |
bool MethodData::profile_arguments_jsr292_only() { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1551 |
return profile_arguments_flag() == type_profile_jsr292; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1552 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1553 |
|
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1554 |
bool MethodData::profile_all_arguments() { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1555 |
return profile_arguments_flag() == type_profile_all; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1556 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1557 |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1558 |
bool MethodData::profile_arguments_for_invoke(const methodHandle& m, int bci) { |
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1559 |
if (!profile_arguments()) { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1560 |
return false; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1561 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1562 |
|
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1563 |
if (profile_all_arguments()) { |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1564 |
return true; |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1565 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1566 |
|
46542
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1567 |
if (profile_unsafe(m, bci)) { |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1568 |
return true; |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1569 |
} |
73dd19b96b5d
8181211: C2: Use profiling data to optimize on/off heap unsafe accesses
roland
parents:
43455
diff
changeset
|
1570 |
|
20702
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1571 |
assert(profile_arguments_jsr292_only(), "inconsistent"); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1572 |
return profile_jsr292(m, bci); |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1573 |
} |
bbe0fcde6e13
8023657: New type profiling points: arguments to call
roland
parents:
17858
diff
changeset
|
1574 |
|
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1575 |
int MethodData::profile_return_flag() { |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1576 |
return (TypeProfileLevel % 100) / 10; |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1577 |
} |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1578 |
|
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1579 |
bool MethodData::profile_return() { |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1580 |
return profile_return_flag() > no_type_profile && profile_return_flag() <= type_profile_all; |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1581 |
} |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1582 |
|
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1583 |
bool MethodData::profile_return_jsr292_only() { |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1584 |
return profile_return_flag() == type_profile_jsr292; |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1585 |
} |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1586 |
|
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1587 |
bool MethodData::profile_all_return() { |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1588 |
return profile_return_flag() == type_profile_all; |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1589 |
} |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1590 |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1591 |
bool MethodData::profile_return_for_invoke(const methodHandle& m, int bci) { |
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1592 |
if (!profile_return()) { |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1593 |
return false; |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1594 |
} |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1595 |
|
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1596 |
if (profile_all_return()) { |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1597 |
return true; |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1598 |
} |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1599 |
|
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1600 |
assert(profile_return_jsr292_only(), "inconsistent"); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1601 |
return profile_jsr292(m, bci); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
20702
diff
changeset
|
1602 |
} |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1603 |
|
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1604 |
int MethodData::profile_parameters_flag() { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1605 |
return TypeProfileLevel / 100; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1606 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1607 |
|
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1608 |
bool MethodData::profile_parameters() { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1609 |
return profile_parameters_flag() > no_type_profile && profile_parameters_flag() <= type_profile_all; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1610 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1611 |
|
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1612 |
bool MethodData::profile_parameters_jsr292_only() { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1613 |
return profile_parameters_flag() == type_profile_jsr292; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1614 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1615 |
|
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1616 |
bool MethodData::profile_all_parameters() { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1617 |
return profile_parameters_flag() == type_profile_all; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1618 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1619 |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33198
diff
changeset
|
1620 |
bool MethodData::profile_parameters_for_method(const methodHandle& m) { |
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1621 |
if (!profile_parameters()) { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1622 |
return false; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1623 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1624 |
|
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1625 |
if (profile_all_parameters()) { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1626 |
return true; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1627 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1628 |
|
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1629 |
assert(profile_parameters_jsr292_only(), "inconsistent"); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1630 |
return m->is_compiled_lambda_form(); |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1631 |
} |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1632 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1633 |
void MethodData::clean_extra_data_helper(DataLayout* dp, int shift, bool reset) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1634 |
if (shift == 0) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1635 |
return; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1636 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1637 |
if (!reset) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1638 |
// Move all cells of trap entry at dp left by "shift" cells |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1639 |
intptr_t* start = (intptr_t*)dp; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1640 |
intptr_t* end = (intptr_t*)next_extra(dp); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1641 |
for (intptr_t* ptr = start; ptr < end; ptr++) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1642 |
*(ptr-shift) = *ptr; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1643 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1644 |
} else { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1645 |
// Reset "shift" cells stopping at dp |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1646 |
intptr_t* start = ((intptr_t*)dp) - shift; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1647 |
intptr_t* end = (intptr_t*)dp; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1648 |
for (intptr_t* ptr = start; ptr < end; ptr++) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1649 |
*ptr = 0; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1650 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1651 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1652 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1653 |
|
23845
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1654 |
class CleanExtraDataClosure : public StackObj { |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1655 |
public: |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1656 |
virtual bool is_live(Method* m) = 0; |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1657 |
}; |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1658 |
|
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1659 |
// Check for entries that reference an unloaded method |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1660 |
class CleanExtraDataKlassClosure : public CleanExtraDataClosure { |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1661 |
private: |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1662 |
BoolObjectClosure* _is_alive; |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1663 |
public: |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1664 |
CleanExtraDataKlassClosure(BoolObjectClosure* is_alive) : _is_alive(is_alive) {} |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1665 |
bool is_live(Method* m) { |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1666 |
return m->method_holder()->is_loader_alive(_is_alive); |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1667 |
} |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1668 |
}; |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1669 |
|
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1670 |
// Check for entries that reference a redefined method |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1671 |
class CleanExtraDataMethodClosure : public CleanExtraDataClosure { |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1672 |
public: |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1673 |
CleanExtraDataMethodClosure() {} |
28365
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1674 |
bool is_live(Method* m) { return !m->is_old(); } |
23845
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1675 |
}; |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1676 |
|
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1677 |
|
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1678 |
// Remove SpeculativeTrapData entries that reference an unloaded or |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1679 |
// redefined method |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1680 |
void MethodData::clean_extra_data(CleanExtraDataClosure* cl) { |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1681 |
DataLayout* dp = extra_data_base(); |
26440
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1682 |
DataLayout* end = args_data_limit(); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1683 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1684 |
int shift = 0; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1685 |
for (; dp < end; dp = next_extra(dp)) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1686 |
switch(dp->tag()) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1687 |
case DataLayout::speculative_trap_data_tag: { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1688 |
SpeculativeTrapData* data = new SpeculativeTrapData(dp); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1689 |
Method* m = data->method(); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1690 |
assert(m != NULL, "should have a method"); |
23845
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1691 |
if (!cl->is_live(m)) { |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1692 |
// "shift" accumulates the number of cells for dead |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1693 |
// SpeculativeTrapData entries that have been seen so |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1694 |
// far. Following entries must be shifted left by that many |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1695 |
// cells to remove the dead SpeculativeTrapData entries. |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1696 |
shift += (int)((intptr_t*)next_extra(dp) - (intptr_t*)dp); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1697 |
} else { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1698 |
// Shift this entry left if it follows dead |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1699 |
// SpeculativeTrapData entries |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1700 |
clean_extra_data_helper(dp, shift); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1701 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1702 |
break; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1703 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1704 |
case DataLayout::bit_data_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1705 |
// Shift this entry left if it follows dead SpeculativeTrapData |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1706 |
// entries |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1707 |
clean_extra_data_helper(dp, shift); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1708 |
continue; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1709 |
case DataLayout::no_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1710 |
case DataLayout::arg_info_data_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1711 |
// We are at end of the live trap entries. The previous "shift" |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1712 |
// cells contain entries that are either dead or were shifted |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1713 |
// left. They need to be reset to no_tag |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1714 |
clean_extra_data_helper(dp, shift, true); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1715 |
return; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1716 |
default: |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
30183
diff
changeset
|
1717 |
fatal("unexpected tag %d", dp->tag()); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1718 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1719 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1720 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1721 |
|
23845
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1722 |
// Verify there's no unloaded or redefined method referenced by a |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1723 |
// SpeculativeTrapData entry |
23845
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1724 |
void MethodData::verify_extra_data_clean(CleanExtraDataClosure* cl) { |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1725 |
#ifdef ASSERT |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1726 |
DataLayout* dp = extra_data_base(); |
26440
0c9e5ee0083a
8057038: Speculative traps not robust when compilation and class unloading are concurrent
roland
parents:
25635
diff
changeset
|
1727 |
DataLayout* end = args_data_limit(); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1728 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1729 |
for (; dp < end; dp = next_extra(dp)) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1730 |
switch(dp->tag()) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1731 |
case DataLayout::speculative_trap_data_tag: { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1732 |
SpeculativeTrapData* data = new SpeculativeTrapData(dp); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1733 |
Method* m = data->method(); |
23845
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1734 |
assert(m != NULL && cl->is_live(m), "Method should exist"); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1735 |
break; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1736 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1737 |
case DataLayout::bit_data_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1738 |
continue; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1739 |
case DataLayout::no_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1740 |
case DataLayout::arg_info_data_tag: |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1741 |
return; |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1742 |
default: |
33105
294e48b4f704
8080775: Better argument formatting for assert() and friends
david
parents:
30183
diff
changeset
|
1743 |
fatal("unexpected tag %d", dp->tag()); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1744 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1745 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1746 |
#endif |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1747 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1748 |
|
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1749 |
void MethodData::clean_method_data(BoolObjectClosure* is_alive) { |
37473
8af1deb0c879
8149405: OOM Error running java/lang/invoke/MethodHandlesTest.java on windows-x86
drwhite
parents:
37248
diff
changeset
|
1750 |
ResourceMark rm; |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1751 |
for (ProfileData* data = first_data(); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1752 |
is_valid(data); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1753 |
data = next_data(data)) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1754 |
data->clean_weak_klass_links(is_alive); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1755 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1756 |
ParametersTypeData* parameters = parameters_type_data(); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1757 |
if (parameters != NULL) { |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1758 |
parameters->clean_weak_klass_links(is_alive); |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1759 |
} |
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1760 |
|
23845
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1761 |
CleanExtraDataKlassClosure cl(is_alive); |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1762 |
clean_extra_data(&cl); |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1763 |
verify_extra_data_clean(&cl); |
22916
582da2ed4dfa
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
22851
diff
changeset
|
1764 |
} |
23845
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1765 |
|
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1766 |
void MethodData::clean_weak_method_links() { |
37473
8af1deb0c879
8149405: OOM Error running java/lang/invoke/MethodHandlesTest.java on windows-x86
drwhite
parents:
37248
diff
changeset
|
1767 |
ResourceMark rm; |
23845
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1768 |
for (ProfileData* data = first_data(); |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1769 |
is_valid(data); |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1770 |
data = next_data(data)) { |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1771 |
data->clean_weak_method_links(); |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1772 |
} |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1773 |
|
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1774 |
CleanExtraDataMethodClosure cl; |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1775 |
clean_extra_data(&cl); |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1776 |
verify_extra_data_clean(&cl); |
ebd1fafcc362
8038636: speculative traps break when classes are redefined
roland
parents:
23526
diff
changeset
|
1777 |
} |
28365
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1778 |
|
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1779 |
#ifdef ASSERT |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1780 |
void MethodData::verify_clean_weak_method_links() { |
37473
8af1deb0c879
8149405: OOM Error running java/lang/invoke/MethodHandlesTest.java on windows-x86
drwhite
parents:
37248
diff
changeset
|
1781 |
ResourceMark rm; |
28365
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1782 |
for (ProfileData* data = first_data(); |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1783 |
is_valid(data); |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1784 |
data = next_data(data)) { |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1785 |
data->verify_clean_weak_method_links(); |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1786 |
} |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1787 |
|
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1788 |
CleanExtraDataMethodClosure cl; |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1789 |
verify_extra_data_clean(&cl); |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1790 |
} |
ccf31849c7a4
8067713: Move clean_weak_method_links for redefinition out of class unloading
coleenp
parents:
27685
diff
changeset
|
1791 |
#endif // ASSERT |